CN109300410B - Spliced backboard and LED display screen adopting same - Google Patents
Spliced backboard and LED display screen adopting same Download PDFInfo
- Publication number
- CN109300410B CN109300410B CN201811285751.7A CN201811285751A CN109300410B CN 109300410 B CN109300410 B CN 109300410B CN 201811285751 A CN201811285751 A CN 201811285751A CN 109300410 B CN109300410 B CN 109300410B
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- Prior art keywords
- side edges
- plate
- splicing
- coupling unit
- spliced
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- 239000000463 material Substances 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 36
- 238000010168 coupling process Methods 0.000 claims description 36
- 238000005859 coupling reaction Methods 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000004080 punching Methods 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Abstract
The invention belongs to the technical field of LED display screens, and particularly relates to a spliced backboard and an LED display screen adopting the spliced backboard. The spliced backboard is suitable for fixing the LED display screen, and comprises a plurality of side edges, wherein the adjacent side edges are connected in a spliced manner, a frame-type structure is formed after the plurality of side edges are mutually spliced, and splicing seams exist at the splicing positions of the side edges; two side edges which are correspondingly arranged in the plurality of side edges have the same structure; among the plurality of side edges, the side edge corresponding to the LED display screen light bar is made of aluminum materials. The splicing type plate avoids the waste of middle materials of the plate after the whole plate is formed by stamping in the prior art; the problem of distortion of the backboard caused by uneven heat is avoided. Further, the problem of poor image display caused by distortion of the backboard of the screen is solved. The backboard is only provided with the aluminum material in a specific area, so that the heat dissipation effect is improved and the manufacturing cost is reduced.
Description
Technical Field
The invention belongs to the technical field of LED display screens, and particularly relates to a spliced backboard and an LED display screen adopting the spliced backboard.
Background
In the conventional art, a metal back plate for fixing a backlight module of a liquid crystal display is manufactured by punching a whole metal plate. In more detail, the metal back plate is manufactured by punching a large-area whole metal plate through multiple processes, punching the metal plate into a shape meeting the requirements of customers, and assembling the metal plate with parts of the backlight module. However, the weight of the whole backlight module is often affected by the metal back plate, and the molding process of the metal back plate also needs to pass through a large-scale multi-group stamping device; in addition, as the size of the display panel is bigger and finer, the weight and processing steps are increased, so that the influence on the material and the manufacturing cost is huge, the material and the manufacturing cost account for more than 10% of the whole cost proportion, and the weight accounts for more than 30% of the module; and such back plates also have the disadvantage of inconvenient transportation.
The existing metal backboard also has the problem of poor use flexibility, different molds are needed for backboard with different sizes, and the manufacturing cost is high.
The existing metal backboard is of an integrated structure, the local temperature of the position of the LED light bar is high, and deformation easily occurs due to uneven cold and hot.
Disclosure of Invention
First, the technical problem to be solved
Aiming at the existing technical problems, the invention provides a spliced backboard, which can solve the problems of high production and transportation cost and deformation caused by uneven cold and hot existing in the existing backboard.
Another object of the present invention is to provide an LED display screen, which uses the spliced back plate as described above.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the spliced backboard is suitable for fixing an LED display screen, and comprises a plurality of side edges, wherein the adjacent side edges are connected in a spliced mode, a frame-type structure is formed after the plurality of side edges are mutually spliced, and splicing seams exist at the spliced positions of the side edges;
two side edges which are correspondingly arranged in the plurality of side edges have the same structure;
among the plurality of side edges, the side edge corresponding to the LED display screen light bar is made of aluminum materials.
Preferably, the frame structure is provided with a middle plate, and the middle plate is formed by splicing a plurality of middle plate units;
the middle plate is connected with the side edges in a splicing mode.
Preferably, the side edges and the middle plate units are spliced by a splicing assembly;
the splicing assembly comprises a first splicing part and a second splicing part, the first splicing part comprises a positioning hole and a slot, the second splicing part comprises a clamping protrusion and a positioning protrusion, the clamping protrusion is clamped in the positioning hole, and the positioning protrusion is inserted in the slot;
the side and middle plate units are provided with a first splicing part and/or a second splicing part.
Preferably, the first splicing part comprises a first connecting plate, a second connecting plate and a third connecting plate;
the first connecting plate and the third connecting plate have the same structure, and both comprise a clamping protrusion arranged at the front end and a positioning protrusion arranged at the rear end;
positioning protrusions are arranged on the second connecting plate, and the directions of the positioning protrusions arranged on the first connecting plate and the second connecting plate are different from the directions of the positioning protrusions arranged on the second connecting plate;
the second splicing part comprises a first coupling unit, a second coupling unit and a third coupling unit which are correspondingly arranged with the first connecting plate, the second connecting plate and the third connecting plate respectively;
the first coupling unit and the third coupling unit have the same structure, and both comprise positioning holes arranged on the inner side and a first slot arranged on the outer side;
the second coupling unit includes a second slot.
Preferably, the first connecting plate and the third connecting plate are arranged in different planes with the side edge and the middle plate unit, and the second connecting plate is arranged in the same plane with the side edge and the middle plate unit;
the first coupling unit and the third coupling unit are arranged on the same plane with the side edge and the middle plate unit, and the second coupling unit is arranged on different planes with the side edge and the middle plate unit.
Preferably, the first connecting plate, the second connecting plate and the third connecting plate are sequentially arranged at intervals, and the corresponding first coupling unit, second coupling unit and third coupling unit are sequentially arranged at intervals.
Preferably, the spliced backboard comprises an upper side, a lower side, a left side and a right side, wherein the upper side, the lower side, the left side and the right side are all bar-shaped platy structures.
Preferably, a hem used for limiting the screen of the LED display screen is arranged at the edge of the side edge.
Preferably, the side edges are formed by stamping.
An LED display screen comprising a tiled backplane as described above.
(III) beneficial effects
The beneficial effects of the invention are as follows: the spliced backboard provided by the invention has the following advantages:
the backboard is formed by splicing a plurality of side edges, so that waste of middle materials of the boards after the whole board is formed by stamping in the prior art is avoided;
the backboard is formed by splicing the side edges, when the backboard with different sizes is needed, the backboard with different sizes can be formed by splicing only by replacing part of the side edges, so that the universality of the backboard is improved, the number of open molds is reduced, and the manufacturing cost is saved.
The side edges spliced with each other are provided with splicing seams, and heat generated by the LED lamp strip has a certain thermal resistance effect, so that the problem of distortion of the backboard caused by uneven heat is avoided. Further, the problem of poor image display caused by distortion of the backboard of the screen is solved.
Aiming at the area of the screen heating value, such as the position of the screen with the LED lamp strip, the heat dissipation effect of the LED lamp strip generated heat can be improved by adopting aluminum or a heat dissipation material with high heat conduction. Meanwhile, because the aluminum material and the heat dissipation material with high heat conductivity have the problem of high cost compared with other manufacturing materials, the back plate is only provided with the material in a specific area, so that the heat dissipation effect is improved and the manufacturing cost is reduced. In addition, adopt the form of concatenation to connect between the side, solved the inconvenient problem of connection between the different materials.
Drawings
Fig. 1 is a schematic structural diagram of a spliced backboard according to an embodiment of the present invention;
FIG. 2 is an enlarged view at FIG. 1A;
fig. 3 is a schematic structural diagram of a splice assembly according to an embodiment of the present invention.
[ reference numerals description ]
1: a side edge; 2: a splice joint; 3: an intermediate plate; 4: an intermediate plate unit; 5: a first splice; 6: a second splice;
51: a first connection plate; 52: a second connecting plate; 53: a third connecting plate; 54: the clamping bulge; 55: positioning the bulge; 61: a first coupling unit; 62: a second coupling unit; 63: a third coupling unit; 64: positioning holes; 65: a first slot; 66: and a second slot.
Detailed Description
The invention will be better explained by the following detailed description of the embodiments with reference to the drawings.
As shown in fig. 1 to 3, the invention discloses a spliced back plate, which is suitable for fixing an LED display screen, wherein the spliced back plate comprises a plurality of side edges 1, the adjacent side edges 1 are connected in a splicing manner, a frame-type structure is formed after the plurality of side edges 1 are mutually spliced, and a splice joint 2 exists at the splicing position of the side edges 1;
two side structures which are correspondingly arranged in the plurality of side edges 1 are the same;
among the plurality of side edges 1, the side edge 1 corresponding to the LED display screen light bar is made of aluminum material.
In the embodiment, the backboard is formed by splicing a plurality of side edges 1, so that the waste of the middle material of the board after the whole board is formed by stamping in the prior art is avoided;
the backboard is formed by splicing the side edges 1, when the backboard with different sizes is needed, the backboard with different sizes can be formed by splicing only by replacing part of the side edges 1, so that the universality of the backboard is improved, the number of open molds is reduced, and the manufacturing cost is saved.
The splicing seams 2 are arranged between the mutually spliced side edges 1, and the heat generated by the LED lamp strips has a certain thermal resistance effect, so that the problem of distortion of the backboard caused by uneven heat is avoided. Further, the problem of poor image display caused by distortion of the backboard of the screen is solved.
For the region of the screen heating value, such as the position of the screen with the LED lamp strip, aluminum materials or high heat conduction and heat dissipation materials are adopted, so that the heat dissipation effect of the LED lamp strip in heat generation can be improved. Meanwhile, because the aluminum material has the problem of high cost compared with other manufacturing materials, the back plate is only provided with the aluminum material or the high heat conduction and heat dissipation material in a specific area, so that the heat dissipation effect is improved, and meanwhile, the manufacturing cost is reduced. In addition, adopt the form of concatenation to connect between the side, solved the inconvenient problem of connection between the different materials.
The splice referred to in this embodiment means a connection form such as a clip connection and/or a plug connection.
The frame-type structure is provided with a middle plate 3, the middle plate 3 is formed by splicing a plurality of middle plate units 4, and the middle plate 3 is connected with the side edges 1 in a splicing mode.
In some special cases, the middle plate 3 needs to be arranged on the frame-type structure, the middle plate 3 is formed by a plurality of middle plate units 4, and the middle plates 3 with different sizes can be spliced according to different needs, so that the universality of the use of the middle plate 3 is improved.
Referring to fig. 3, in the present embodiment, there is also provided a specific form of splice between the sides, between the sides 1 and the intermediate plate unit 4, and between the intermediate plate units 4.
And the adjacent side edges 1, the side edges 1 and the middle plate units 4 and the adjacent middle plate units 4 are spliced by splicing components.
The splice assembly includes first splice 5 and second splice 6, and first splice 5 includes locating hole and slot, and second splice 6 includes joint arch and location arch, and the protruding joint of joint is in the locating hole, and the protruding grafting in the slot of location.
The side edges 1 and the middle plate unit 4 are provided with a first splicing part and/or a second splicing part.
Further, the first splice 5 includes a first web 51, a second web 52 and a third web 53,
the first connection plate 51 and the second connection plate 52 have the same structure, and both include a snap projection 54 provided at the front end and a positioning projection 55 provided at the rear end.
The second connection plate 52 is provided with a positioning projection 55, and the positioning projections 55 provided on the first connection plate 51 and the third connection plate 52 are different in projection direction from the positioning projections provided on the second connection plate 52.
The positioning protrusion 55 mainly plays a role in guiding during the mutual splicing of the first splicing part 5 and the second splicing part 6, and plays a role in positioning after the splicing is completed.
The second splice 6 includes first, second and third coupling units 61, 62 and 63 correspondingly provided to the first, second and third connection plates 51, 52 and 53, respectively.
The first coupling unit 61 and the third coupling unit 63 have the same structure, and both include a positioning hole 64 provided at the inner side and a first slot 65 provided at the outer side.
The second coupling unit 62 includes a second slot 66.
The first and third connection plates 51, 53 are arranged in different planes with the side 1, the intermediate plate unit 4, and the second connection plate 52 is arranged in the same plane with the side 1, the intermediate plate unit 4.
The first coupling unit 61 and the third coupling unit 63 are arranged on the same plane as the side 1 and the middle plate unit 4, and the second coupling unit 62 is arranged on a different plane from the side 1 and the middle plate unit 4.
Meanwhile, the first, second and third coupling units 61, 62 and 63 are provided with grooves accommodating the connection plate bodies at positions corresponding to the first, second and third connection plates 51, 52 and 53. When the clamping bulges are clamped with the positioning holes, the connecting plate body is positioned in the groove when the positioning bulges are inserted into the slots, so that the splicing stability is improved.
The first, second and third connection plates 51, 52 and 53 are sequentially disposed at intervals, and the corresponding first, second and third coupling units 61, 62 and 63 are sequentially disposed at intervals.
The spliced backboard comprises an upper side, a lower side, a left side and a right side, wherein the upper side, the lower side, the left side and the right side are all bar-shaped platy structures.
The side 1 is arranged into a strip-shaped plate structure, so that the processing of the side can be facilitated, and the universality of the side use can be improved.
The edge of the side edge 1 is provided with a folded edge for limiting the screen of the LED display screen. The accommodating cavity of the LED display screen can be formed among the folded edges, so that the LED display screen can be conveniently installed.
The side edges 1 are formed by stamping. The processing form has the advantage of convenient processing.
In this embodiment, there is also provided an LED display screen, which includes the spliced back plate as described above.
The technical principles of the present invention have been described above in connection with specific embodiments, which are provided for the purpose of explaining the principles of the present invention and are not to be construed as limiting the scope of the present invention in any way. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. The utility model provides a concatenation formula backplate which characterized in that: the spliced backboard is suitable for fixing the LED display screen, and comprises a plurality of side edges, wherein the adjacent side edges are connected in a spliced manner, a frame-type structure is formed after the plurality of side edges are mutually spliced, and splicing seams exist at the splicing positions of the side edges;
two side edges which are correspondingly arranged in the plurality of side edges have the same structure;
among the plurality of side edges, the side edge corresponding to the LED display screen light bar is made of aluminum material;
the side edges are spliced through a splicing assembly, the splicing assembly comprises a first splicing part and a second splicing part, the first splicing part comprises a positioning hole and a slot, the second splicing part comprises a clamping protrusion and a positioning protrusion, the clamping protrusion is clamped in the positioning hole, and the positioning protrusion is inserted in the slot;
the side and middle plate units are provided with a first splicing part and/or a second splicing part;
the first splicing part comprises a first connecting plate, a second connecting plate and a third connecting plate;
the first connecting plate and the third connecting plate have the same structure, and both comprise a clamping protrusion arranged at the front end and a positioning protrusion arranged at the rear end;
positioning protrusions are arranged on the second connecting plate, and the directions of the positioning protrusions arranged on the first connecting plate and the second connecting plate are different from the directions of the positioning protrusions arranged on the second connecting plate;
the second splicing part comprises a first coupling unit, a second coupling unit and a third coupling unit which are correspondingly arranged with the first connecting plate, the second connecting plate and the third connecting plate respectively;
the first coupling unit and the third coupling unit have the same structure, and both comprise positioning holes arranged on the inner side and a first slot arranged on the outer side;
the second coupling unit comprises a second slot;
the edge of the side edge is provided with a folded edge for limiting the screen of the LED display screen;
the side edges are formed in a stamping mode.
2. The spliced backboard according to claim 1, wherein the frame-type structure is provided with an intermediate board, and the intermediate board is formed by splicing a plurality of intermediate board units;
the middle plate is connected with the side edges in a splicing mode.
3. The tiled, back plate according to claim 2, wherein the side edges are tiled with the intermediate plate elements and the intermediate plate elements by a stitching assembly.
4. A tiled backplane according to claim 3, wherein the first and third connection plates are arranged in different planes with the side and middle plate units and the second connection plate is arranged in the same plane with the side and middle plate units;
the first coupling unit and the third coupling unit are arranged on the same plane with the side edge and the middle plate unit, and the second coupling unit is arranged on different planes with the side edge and the middle plate unit.
5. The spliced backboard according to claim 4, wherein the first connection board, the second connection board and the third connection board are sequentially arranged at intervals, and the corresponding first coupling unit, second coupling unit and third coupling unit are sequentially arranged at intervals.
6. The tiled, back-plate of claim 1, wherein the tiled, back-plate includes an upper side, a lower side, a left side, and a right side, wherein the upper side, the lower side, the left side, and the right side are each bar-shaped plate-like structures.
7. An LED display screen comprising a tiled backplane according to any of claims 1-6.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810890077.9A CN108682326A (en) | 2018-08-07 | 2018-08-07 | A kind of splicing back plate and use its LED display |
CN2018108900779 | 2018-08-07 |
Publications (2)
Publication Number | Publication Date |
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CN109300410A CN109300410A (en) | 2019-02-01 |
CN109300410B true CN109300410B (en) | 2024-04-12 |
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Application Number | Title | Priority Date | Filing Date |
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CN201810890077.9A Pending CN108682326A (en) | 2018-08-07 | 2018-08-07 | A kind of splicing back plate and use its LED display |
CN201811285751.7A Active CN109300410B (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
CN201821786276.7U Active CN209765939U (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810890077.9A Pending CN108682326A (en) | 2018-08-07 | 2018-08-07 | A kind of splicing back plate and use its LED display |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821786276.7U Active CN209765939U (en) | 2018-08-07 | 2018-10-31 | Spliced backboard and LED display screen adopting same |
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CN (3) | CN108682326A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108682326A (en) * | 2018-08-07 | 2018-10-19 | 普利仕科技(苏州工业园区)有限公司 | A kind of splicing back plate and use its LED display |
CN110942730B (en) * | 2019-12-27 | 2022-06-17 | 威创集团股份有限公司 | LED display unit box body installation structure and array structure |
WO2022116556A1 (en) * | 2020-12-04 | 2022-06-09 | 深圳市时代华影科技股份有限公司 | Installation liners and screen using the installation liners |
CN114519961B (en) * | 2022-02-23 | 2023-06-23 | 成都戎盛科技有限公司 | LED display screen of activity concatenation |
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CN202065796U (en) * | 2011-04-22 | 2011-12-07 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
CN102402061A (en) * | 2011-11-18 | 2012-04-04 | 深圳市华星光电技术有限公司 | Liquid crystal module spliced backplane and splicing structure thereof |
CN103258481A (en) * | 2013-05-28 | 2013-08-21 | 利亚德光电股份有限公司 | Light-emitting diode (LED) lamp board assembly |
CN104470287A (en) * | 2014-08-13 | 2015-03-25 | 州巧科技股份有限公司 | Multi-piece display backplane |
CN206130904U (en) * | 2016-10-12 | 2017-04-26 | 合肥惠科金扬科技有限公司 | Jumbo size display backplate mosaic structure and jumbo size display |
CN108682326A (en) * | 2018-08-07 | 2018-10-19 | 普利仕科技(苏州工业园区)有限公司 | A kind of splicing back plate and use its LED display |
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US8444099B1 (en) * | 2011-11-18 | 2013-05-21 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Back plate of liquid crystal display module and splice structure thereof |
US8992036B2 (en) * | 2012-08-07 | 2015-03-31 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Display device, back plate element and splicing parts of backlight module and manufacturing mold for splicing parts thereof |
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2018
- 2018-08-07 CN CN201810890077.9A patent/CN108682326A/en active Pending
- 2018-10-31 CN CN201811285751.7A patent/CN109300410B/en active Active
- 2018-10-31 CN CN201821786276.7U patent/CN209765939U/en active Active
Patent Citations (7)
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CN202065796U (en) * | 2011-04-22 | 2011-12-07 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
CN102402061A (en) * | 2011-11-18 | 2012-04-04 | 深圳市华星光电技术有限公司 | Liquid crystal module spliced backplane and splicing structure thereof |
CN103258481A (en) * | 2013-05-28 | 2013-08-21 | 利亚德光电股份有限公司 | Light-emitting diode (LED) lamp board assembly |
CN104470287A (en) * | 2014-08-13 | 2015-03-25 | 州巧科技股份有限公司 | Multi-piece display backplane |
CN206130904U (en) * | 2016-10-12 | 2017-04-26 | 合肥惠科金扬科技有限公司 | Jumbo size display backplate mosaic structure and jumbo size display |
CN108682326A (en) * | 2018-08-07 | 2018-10-19 | 普利仕科技(苏州工业园区)有限公司 | A kind of splicing back plate and use its LED display |
CN209765939U (en) * | 2018-08-07 | 2019-12-10 | 普利仕科技(苏州工业园区)有限公司 | Spliced backboard and LED display screen adopting same |
Also Published As
Publication number | Publication date |
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CN108682326A (en) | 2018-10-19 |
CN109300410A (en) | 2019-02-01 |
CN209765939U (en) | 2019-12-10 |
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